/Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/MeshSelectionFunctions.h
Invert the Selection on the TargetMesh, ie select what is not currently selected
static [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * InvertMeshSelection ( [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * TargetMesh, [FGeometryScriptMeshSelection](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptMeshSelection) Selection, [FGeometryScriptMeshSelection](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptMeshSelection) & NewSelection, bool bOnlyToConnected )